Built for heavy towing and off-road driving, your Chevrolet Trailblazer is a solid, dependable mid-size SUV. With regular maintenance, it has the potential to last for many years. AutoZone keeps your vehicle going with new Chevrolet Trailblazer spark plug wires, so shop our unbeatable selection today.

The spark plug wire set for Chevrolet Trailblazer uses power from the ignition coil to start your vehicle. Over time, these wires can corrode, causing a reduction in connectivity which affects ignition and timing. High-quality wire sets make sure your vehicle gets the right amount of electricity to run smoothly. A Trailblazer performance wire set from AutoZone is available online with Free Shipping on any purchase of $75 or more and Same Day Store Pickup (in most cases) if you need your replacement immediately. Ask our friendly staff about our Loan-a-Tool program for easier installation and benefit from free battery charging and engine diagnostic testing during your next in-store visit.